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Finding the Fourth Proportional to 4,520.76, 6,772.93 and 4,422.35

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Solution

The fourth proportional to 4,520.76, 6,772.93 and 4,422.35 is: 6,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.76 : 6,772.93 = 4,422.35 : x
  2. Step 2: Convert to fraction form
    4,520.76/6,772.93 = 4,422.35/x
  3. Step 3: Cross multiply
    4,520.76x = 6,772.93 × 4,422.35
  4. Step 4: Simplify right side
    4,520.76x = 29,952,259.64
  5. Step 5: Solve for x
    x = 29,952,259.64/4,520.76
  6. Step 6: Final answer
    x = 6,625.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.